Shoe-nailing machine.



E. H O NIGKE.

SHOE N AILIN G MACHINE.

APPLICATION FILED FEB.8, 1912.

1,127,891. Patented Feb. 9, 1915.

22 SHEETS-SHEET 1.

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THE NORRIS PETERS Cov PHoTo-LITHQ, WASHINGTON, D c

E. HUNIGKE.

SHOE NAILING MACHINE: APPLICATION FILED FEB.8, 1912.

Patented Feb. 9, 1915.

2 SHEBTS-SEBET 2.

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EDUARD HCiNIGKE, 0F HAMBURG, GERMANY, ASSIGNOR OF ONE-I-IALF TO KESSEL 6 5 00.,

OF HAMBURG, GERMANY.

SHOE-NAILING MACHINE.

Application filed February 8, 1912.

To all whom it may concern Be it known that I, EDUARD Honlcirn, a subject of the German Emperor, and resident of 26 Steindamm, Hamburg, Germany, have invented new and useful Improvements in Shoe-Nailing Machines, of which the following is a specification.

The known shoe nailing machines require special members for reciprocating the elements carrying and operating the awl and the driver. This has the disadvantage, that such machines comprise a large number of parts which will be subject to a rapid wear and require many repairs. This trouble is obviated by the present invention.

The said invention consists in having movable parts carrying the awl and the driver arranged on a common member moving in a guide or on a pin, in such a manner that they will be dogged at each movement of the said member. By the arrangement of all these parts connected to the awl and the driver upon a common carrier special devices for reciprocating these parts can be dispensed with. Furthermore the present invention enables the driving movement and the adjustment of the awl and the driver to be effected by the, same shaft, suitable transmission members insuring a uniform movement of the slide carrying these parts.

The machine is intended to perform the nailing of boots and shoes, to wit, the making of the holes in the soles to receive the nails and the driving of the nails into the holes in a Zigzag line around the sole. To this end, its parts operate first to drive an awl into the sole of a boot or shoe upon a work support underneath of said awl, and thereafter to drive a nail into said hole, means being provided to shift the awl and driver after each operation into their next working position.

In the accompanying drawing two constructional forms of the present invention are exemplified.

Figure 1 is a section through the respective part of a shoe nailing machine moving in a guide, on the line A-B in Fig. 3. Fig. 2 is a. front elevation. Fig. 3 is a plan View of this part of the machine, the lever carrying the awl and the driver being shown interrupted. Fig. 4 is a section through the guide member and the parts arranged thereon on the line AB in Fig. 5. Fig. 5 is a plan view of this constructional form.

Specification of Letters latent.

Patented Feb. 9, M1 15.

Serial No. 676,264.

In the constructional form according to Figs. 1 to 3 a guide 1 of the machine contains the slide 2, which carries the bearing 3 for the lever 6 effecting the driving motion of the dial 4 and of the driver The awl and the driver are secured in their position of rest by studs 7, 7 entering corresponding slots i and 5 of the awl i and the driver 5, respectively, as shown in Fig. 2, or by the lever 6. This lever is moved by an eccentric 8 on the driving shaft 7, and rides on said eccentric with a roller 9. On this slide is further provided a guide member 10 for the adjustment of the awl and the driver, the said guide member being o erated by a cam disk 11 fitted on the same shaft 7. The slide itself is reciprocated by means of a bell crank 12, which is operated by aid of gear wheels 13, 142 and a cam disk 15 from the driving shaft 7. The bell crank is preferably coupled with the slide by means of a pin and slot.

In the constructional form according to Figs. at and the parts effecting the driving stroke of the awl 17 and the driver 18 are arranged on a pendulum shaped guide member 16, the same as with the slide 2 of the other constructional form; these parts are either directly or indirectly coupled with the driving shaft 19. The bell crank 23 operated by means of the gear wheels 20 and 21 and the cam disk 22 engages with a slotted eye 2% on a pin of the guide member 16. The latter is fulcrumed on a pivot 25 and swivels thereon. The movement of this guide member is effected in such a manner, that when the shaft 19 is driven, the gear wheels 20, 21 and the cam disk 22 will actuate, the bell crank 23 to swing the guide member 16 to and fro around the pivot 25. The guide member will not move in a rectilinear, but in a circular path, but a rectilinear stroke is not necessary for nailing purposes. The nails will nevertheless have a uniform, regular direction. It goes without saying, that the sliding or oscillating guide member may also be actuated by cams fitted directly to the shafts 7 and 19, so that all parts, which effect the stroke of the awl and the driver will be driven by the driving shaft. By suitably providing clutches, certain parts may be disengaged or re'c'ngaged at will. Whereas with former arrangements the reciprocating stroke of the parts adjusting the awl and the driver and also of the awl and the driver themselves and lastly of-the parts effecting the driving movement had to be produced by special. machine parts, all these parts may be dispensed with through the use of a guide member constructed and arranged as shown.

The operation of the constructional form according to Figs. 13 is as follows: \Vhen' a boot or shoe is to be nailed or to beplugged, it is placed in known manner on the work support beneath thev awl and driver. After the machine has been started, and with the object-of producing a zig-zag plugging or nailing of the shoe, the awl in the part 4 is driven into the shoe by means of lever 6 which is actuated by the eccentric 8 and the roller 9 whereupon the driver is shifted to the hole by means of the cam 11 and the guide member and driven into the hole. During the movement of the awl and the driver the slide remains at. rest, but thereupon it moves with the parts attached thereto by the action of part 12, which is actuated by shaft 7, the gear wheels 13, 14; and the cam 15, in a forward direction or backward, and thereby moves the awl and the driver into the position necessary for driving the next nail. As the shoe is advanced in known manner by the work support, and the nails to be driven are moved forward and backward by the slide, they will be driven into the shoe in the known zig-zag line.

The operation of the arrangement according to Figs. 4 and 5 is the same as above described, only here the oscillating guide member 16 is employed in place of the slide 2 receiving and transmitting the movement.

I claim:

1. In shoe nailing machines provided with a shaft, the combination with an awl and a nail driver, of a slide guided in the machine frame, a lever carried by said slide for operating said awl and nail driver in succes sion, an eccentric upon said shaft, a roller secured to said lever and engaging said eccentric, means upon said slide for adjusting the awl and driver, means upon the said shaft for operatingsaid adjusting means, and means for reciprocating said shoe, from the said shaft.

2. In shoe nailing machines provided with a shaft, the combination with an awl and a nail driver, of a slide guided in the machine frame, a lever carried by said slide for op erating said awl and nail driver in succes-.

sion, an eccentric upon said shaft, a roller secured to said lever and engaging said eccentric, aguide member upon said slide for adjusting the awl and driver, a cam disk upon the said shaft for operating said guide member, a gear wheel upon the, said shaft, a bell crank lever secured to said slide, a cam disk upon said shaft acting upon said lever, a second gear meshing with said first mentioned gear for reciprocating said slide from the said shaft, means for coupling said slide to said bell crank lever, and means for shift ing the slide and the awl and driver into their next operating position.

In testimony whereof I affix my signature in presence of two witnesses.

EDUARD HoNIcKE.

Witnesses: I

TAMILLOR Rnsnn, ERNEST H. L. MUMMENHOFF.

Copies of this patent may be obtained for five. cents each, by addressing the Commissioner of Patents,

Washington, D. G. 

